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Finding the Fourth Proportional to 222,239.31, 333,379.22 and 72,441.15

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Solution

The fourth proportional to 222,239.31, 333,379.22 and 72,441.15 is: 108,668.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,239.31 : 333,379.22 = 72,441.15 : x
  2. Step 2: Convert to fraction form
    222,239.31/333,379.22 = 72,441.15/x
  3. Step 3: Cross multiply
    222,239.31x = 333,379.22 × 72,441.15
  4. Step 4: Simplify right side
    222,239.31x = 24,150,373,720.70
  5. Step 5: Solve for x
    x = 24,150,373,720.70/222,239.31
  6. Step 6: Final answer
    x = 108,668.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.